Senior DSP & Digital Communications Design Engineer, Sopra Steria

Sopra Steria

Location:
Spain, Tres Cantos

Category:
-

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

HE Space is a successful international space company. For 40 years, we have been supporting our customers with qualified experts in the field of engineering, science and administration. HE Space has joined forces with CS Group to lead the engineering and digital space market in Europe and to provide highly skilled consulting.

Job Responsibility:

Design and develop algorithms for quantum key distribution (QKD) tailored for satellite communication
Utilize Model-Based Design principles, specifically leveraging MathWorks tools such as Simulink and MATLAB for system modeling and simulation
Implement and test the algorithms in a Hardware-in-the-Loop (HIL) environment to validate their performance under realistic conditions
Work closely with VHDL & SW engineers to ensure seamless implementation of the algorithms on FPGA/Microprocessor/SoC platforms for satellite hardware
Document all development processes, methodologies, and results to ensure compliance with project standards and facilitate knowledge transfer within the team

Requirements:

Telecommunication Engineer (MSc), or equivalent, with firm background on Signal processing, digital communications and protocols
Model based design, model based system engineering and cryptography/security protocols are very valued
More than 7 years-experience in designing and development of SDR/digital communication architectures and algorithms applied to communication systems: modulation schemes, error correction coding, characterisation of communication links (channel distortion, EVM, BER, FER)
More than 7 years of Experience in designing of Signal Processing Algorithms (DSP), specification and performances evaluation oriented to FPGAs or Microprocessors
A deep understanding of floating-point to fixed-point algorithm translation is a must
More than 7 years of Experience in debugging the FW- FPGA solution or C-Microprocessors solution at laboratory during HW-FW integration
Knowledge of FPGA, microprocessors and System on Chip devices (MPSoC, RFSoC)
Use of test instrumentation: Spectrum Analysers, Network Analysers, Signal Analyzers, Logic Analyzers, Data Patterns Generators, Oscilloscopes, BER meters
Knowledge of Simulation software: MATLAB, Simulink, HDL Coder
Knowledge of Software Programming: C/C++, Python
Team work, improvement spirit, pragmatic, results oriented, dynamic, accountable and proactive
Capable of having a solution’s overall vision and to focus on each individual component
Motivated to learn new technologies, and space-business processes and tools
Capable to solve engineering problems within risk, cost & schedule constraints and Valued Experience in Agile methodology

Nice to have:

Model based design, model based system engineering and cryptography/security protocols
Valued Experience in Agile methodology

What we offer:

Inclusive and committed employer, our company works every day to combat all forms of discrimination and promote a respectful working environment
Exciting and dynamic international working environment

Additional Information:

Job Posted:
October 07, 2025

Expiration:
October 31, 2025

Work Type:

On-site work

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Senior DSP & Digital Communications Design Engineer